How to Do Brazillian Crunches

Brazillian Crunches is a core exercise using bodyweight, listed as beginner in the A90 Training Club catalogue.

Primary muscle

Core

Equipment

Bodyweight

Difficulty

Beginner

01 / Move with control

How to perform

How to do Brazillian Crunches

  1. 01Lie supine on the floor with the hands behind the head and knees bent.
  2. 02Lift the shoulder blades off the floor into a standard crunch.
  3. 03Rotate the torso to bring the right elbow toward the left knee while extending the right leg straight above the floor.
  4. 04Switch sides in a fluid motion, maintaining tension in the abdominal wall throughout.

Same guidance shown inside the A90 app

02 / Anatomy

Muscles worked by Brazillian Crunches

Primary Stabiliser Inactive

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Primary movers

  • Core Stabilises the spine and transfers force.

Stabilisers

  • Lower back Stabilises the spine during lifts and bends.
  • Forearms Grips and stabilises the wrist under load.

03 / A90 Coach

A90 Coach tip

Think about bringing the opposite shoulder toward the knee rather than just the elbow to engage the obliques.

Same coaching engine used inside the A90 app

05 / FAQ

Brazillian Crunches questions

What muscles does Brazillian Crunches work?

Brazillian Crunches is catalogued as a core exercise in A90 Training Club, with the core as its primary muscle group.

How do you do Brazillian Crunches correctly?

Lie supine on the floor with the hands behind the head and knees bent. Lift the shoulder blades off the floor into a standard crunch. Rotate the torso to bring the right elbow toward the left knee while extending the right leg straight above the floor. Switch sides in a fluid motion, maintaining tension in the abdominal wall throughout.

What is the A90 coach tip for Brazillian Crunches?

Think about bringing the opposite shoulder toward the knee rather than just the elbow to engage the obliques.

Is Brazillian Crunches suitable for beginners?

Brazillian Crunches is rated beginner in the A90 Training Club catalogue.

Do you need equipment for Brazillian Crunches?

No. Brazillian Crunches is listed as a bodyweight movement in the A90 catalogue, so you can train it with no kit.

A90 Intelligence

Put this into a real plan.

A90 Intelligence programmes brazillian crunches into a 30, 60 or 90 day plan built around your equipment, then adjusts it as you train.

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